Foot Pounds To British Thermal Units Converter
Reverse Conversion
How This Converter Works
Convert between British Thermal Units (Btu) and Foot Pounds (ft·lbf). Select either direction to convert directly.
Formula or rule
Foot Pounds = British Thermal Units * 778.169262265965; British Thermal Units = Foot Pounds / 778.169262265965
Example
- Input
- 1 ft·lbf
- Calculation
- 1 * 0.00128506746345658 = 0.00128506746345658
- Result
- 0.00128506746345658 Btu
Notes
Energy factors use thermochemical calories, International Table Btu and therms, and the exact electronvolt relationship.